Where does “leakproofness” come from?

leakproofness (English) comes from English leakproof, from English -proof, from English proof, from Middle English proof, from Old French prove, from Latin proba, from Latin probāre, from Latin probō — passed , crossed.

leakproofness (English): The quality of being leakproof

Definitions

  1. The quality of being leakproof

Ancestry of “leakproofness”, step by step

leakproofness traces back through two separate lines of ancestry.

via English leakproof

StepLanguageWordMeaning
1EnglishleakproofResistant to leaks; hermetic, sound; "as of" a...
2English-proofUsed to form adjectives denoting an impervious or...
3EnglishproofAn effort, process, or operation designed to...
4Middle Englishproof
5Old Frenchprove
6Latinprobatest, trial; proof, evidence
7Latinprobāre
8Latinprobōto approve, permit, commend
9LatinProbusgood, serviceable, excellent, superior, able
10Proto-Indo-Europeanpro-bhwo-being in front, prominent
11Proto-Indo-Europeanpro-toward, forward
12Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
13Proto-Indo-Europeanper-before, in front; first; to go through
14Proto-Indo-Europeanpr̥tóspassed , crossed

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European pr̥tós
leakproofness — Etymology, Origin & Word History | Etymology Explorer